Dr. Brian Day, Medical Director of the Cambie Surgery Centre, sits for a photograph at his office in Vancouver on Wednesday, August 31, 2016. A constitutional challenge by a doctor who argues patients should have the right to pay for private care if the public system leaves them waiting too long is expected to wrap up today in a Vancouver courtroom. Dr. Brian Day began his battle a decade ago against the British Columbia government. THE CANADIAN PRESS/Darryl Dyck